| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 1 | # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) |
| 2 | %YAML 1.2 |
| 3 | --- |
| 4 | $id: http://devicetree.org/schemas/display/bridge/nxp,ptn3460.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: NXP PTN3460 eDP to LVDS bridge |
| 8 | |
| 9 | maintainers: |
| 10 | - Sean Paul <seanpaul@chromium.org> |
| 11 | |
| 12 | properties: |
| 13 | compatible: |
| 14 | const: nxp,ptn3460 |
| 15 | |
| 16 | reg: |
| 17 | description: I2C address of the bridge |
| 18 | maxItems: 1 |
| 19 | |
| 20 | edid-emulation: |
| 21 | $ref: /schemas/types.yaml#/definitions/uint32 |
| 22 | description: |
| 23 | The EDID emulation entry to use |
| 24 | Value Resolution Description |
| 25 | 0 1024x768 NXP Generic |
| 26 | 1 1920x1080 NXP Generic |
| 27 | 2 1920x1080 NXP Generic |
| 28 | 3 1600x900 Samsung LTM200KT |
| 29 | 4 1920x1080 Samsung LTM230HT |
| 30 | 5 1366x768 NXP Generic |
| 31 | 6 1600x900 ChiMei M215HGE |
| 32 | enum: [0, 1, 2, 3, 4, 5, 6] |
| 33 | |
| 34 | powerdown-gpios: |
| 35 | description: GPIO connected to the PD_N signal. |
| 36 | maxItems: 1 |
| 37 | |
| 38 | reset-gpios: |
| 39 | description: GPIO connected to the RST_N signal. |
| 40 | maxItems: 1 |
| 41 | |
| 42 | ports: |
| 43 | $ref: /schemas/graph.yaml#/properties/ports |
| 44 | |
| 45 | properties: |
| 46 | port@0: |
| 47 | $ref: /schemas/graph.yaml#/properties/port |
| 48 | description: |
| 49 | Video port for LVDS output |
| 50 | |
| 51 | port@1: |
| 52 | $ref: /schemas/graph.yaml#/properties/port |
| 53 | description: |
| 54 | Video port for eDP input |
| 55 | |
| 56 | required: |
| 57 | - port@0 |
| 58 | - port@1 |
| 59 | |
| 60 | required: |
| 61 | - compatible |
| 62 | - reg |
| 63 | - edid-emulation |
| 64 | - powerdown-gpios |
| 65 | - reset-gpios |
| 66 | - ports |
| 67 | |
| 68 | additionalProperties: false |
| 69 | |
| 70 | examples: |
| 71 | - | |
| 72 | #include <dt-bindings/gpio/gpio.h> |
| 73 | |
| 74 | i2c { |
| 75 | #address-cells = <1>; |
| 76 | #size-cells = <0>; |
| 77 | |
| 78 | bridge@20 { |
| 79 | compatible = "nxp,ptn3460"; |
| 80 | reg = <0x20>; |
| 81 | edid-emulation = <5>; |
| 82 | powerdown-gpios = <&gpy2 5 GPIO_ACTIVE_HIGH>; |
| 83 | reset-gpios = <&gpx1 5 GPIO_ACTIVE_LOW>; |
| 84 | |
| 85 | ports { |
| 86 | #address-cells = <1>; |
| 87 | #size-cells = <0>; |
| 88 | |
| 89 | port@0 { |
| 90 | reg = <0>; |
| 91 | bridge_out: endpoint { |
| 92 | remote-endpoint = <&panel_in>; |
| 93 | }; |
| 94 | }; |
| 95 | |
| 96 | port@1 { |
| 97 | reg = <1>; |
| 98 | bridge_in: endpoint { |
| 99 | remote-endpoint = <&dp_out>; |
| 100 | }; |
| 101 | }; |
| 102 | }; |
| 103 | }; |
| 104 | }; |
| 105 | |
| 106 | ... |